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100W供电/速度秒SSD,USB3.1设备年底登场

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2014-05-26 20:11:11 转载来源: 网络整理/侵权必删

AS网站目录(www.adminso.com):100W供电/速度秒SSD,USB3.1设备年底登场 经过几年的努力,USB 3.0现在已经普及了,不论供电能力还是传输速度都比USB 2.0有明显提高,不过它肯定不是最快的,英特尔新雷电接口已经是20Gbps速率了。进一步追赶的重任就要交给USB 3.1接口了,新接口速度提升到了10Gbps速率,最高还能提供高达100W供电输出,相关产品预计今年底问世

AS网站目录(www.adminso.com):100W供电/速度SSDUSB3.1设备年底登场

经过几年的努力,USB 3.0现在已经普及了,不论供电能力还是传输速度都比USB 2.0有明显提高,不过它肯定不是最快的,英特尔新雷电接口已经是20Gbps速率了。进一步追赶的重任就要交给USB 3.1接口了,新接口速度提升到了10Gbps速率,最高还能提供高达100W供电输出,相关产品预计今年底问世。

目前的USB 3.0是SuperSpeed(接口位置处通常可以看到SS缩写字样),USB 3.1接口叫做SuperSpeed+,,它是在USB 3.0基础上改进而来的,首先是接口速率从目前的5Gbps提升到了10Gbps,达到了第一代雷电接口的水平,虽然比20Gbps的雷电2接口要还有差距,不过10Gbps速度已经超过大多数SSD的性能水平,实测可达读912MB/s,写802MB/s。

第二点就是供电能力的提升,USB 2.0的供电电流是0.5A,USB 3.0为0.9A,大约4-5W的供电输出,而USB 3.1规范最高可提供100W供电输出,如此强大的供电能力足够推动笔记本之类的设备了。当然,这个100W供电输出并不是简单在现有USB接口上强化就能实现的,5V/20A的输出对当前的USB线缆来说太难了,能实现100W输出的USB 3.1接口必然会在其他规格上作出改变。

除了这两个重大改进,USB 3.1接口还做了很多人性化改进,继续兼容USB 2.0接口,C型接口取消了防呆设计,不用区分正反面,再也不用担心“这样插不对,那样插也不对,这样插就对了”的尴尬了。

USB 3.1标准制定标准也快一年了,不过目前最多只有媒体演示,相关产品还要等到今年底,最早问世的应该只是10Gbps速度的设备,支持100W供电输出的产品还有待考察,毕竟之前相关的演示都不多,而USB 3.1的普及还需要几年时间。

标签: 100W 供电 速度 SSD USB3.1 设备 年底 登场


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